// Namespace declaration

#include <iostream>
using namespace std;


namespace ns {
	int g_value = 0;
}


int main( void ){
	// int g_value = 0; // err .  There are some conflict between line 13 and 14
	using ns::g_value; // From this line of code, the variables in the class are brought into the current scope
			   // Equivalent definition
	g_value = 8888;

	cout << "ns::g_value = " << ns::g_value << endl;

	return 0;
}




